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md5sum is a computer program that calculates and verifies 128-bit MD5 hashes, as described in RFC 1321. The MD5 hash functions as a compact digital fingerprint of a file. The MD5 hash functions as a compact digital fingerprint of a file.
Most unix-based operating systems include MD5 sum utilities in their distribution packages; Windows users may use the included PowerShell function "Get-FileHash", the included command line function "certutil -hashfile <filename> md5", [45] [46] install a Microsoft utility, [47] [48] or use third-party applications. Android ROMs also use this ...
sha1sum is a computer program that calculates and verifies SHA-1 hashes.It is commonly used to verify the integrity of files. It (or a variant) is installed by default on most Linux distributions.
On Unix-like systems, similar functionality can be often obtained by combining find with hashing utilities such as md5sum, sha256sum or tthsum. md5deep exists for Windows and most Unix-based systems, including OS X. It is present in OS X's Fink, Homebrew and MacPorts projects. Binary packages exist for most free Unix systems.
The idea of fuzzy checksum was developed for detection of email spam by building up cooperative databases from multiple ISPs of email suspected to be spam. The content of such spam may often vary in its details, which would render normal checksumming ineffective.
Algorithm Output size (bits) Internal state size [note 1] Block size Length size Word size Rounds; BLAKE2b: 512 512 1024 128 [note 2]: 64 12 BLAKE2s: 256 256 512 64 [note 3]: 32 10
pip (also known by Python 3's alias pip3) is a package-management system written in Python and is used to install and manage software packages. [4] The Python Software Foundation recommends using pip for installing Python applications and its dependencies during deployment. [5]
Algorithm and variant Output size (bits) Internal state size (bits) Block size (bits) Rounds Operations Security against collision attacks (bits) Security against length extension attacks